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Employee benefit plan
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12 Months Ended |
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Dec. 31, 2014
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| Employee benefit plan | |
| Employee benefit plan | 11. Employee benefit plan In June 2011, the Company adopted a 401(k) retirement and savings plan (the 401(k) Plan) covering all employees. The 401(k) Plan allows employees to make pre-tax or post-tax contributions up to the maximum allowable amount set by the IRS. Under the 401(k) Plan, the Company may make discretionary contributions as approved by the board of directors. The Company made contributions to the 401(k) Plan of $116,000, $160,000 and $219,000 for the years ended December 31, 2012, 2013 and 2014, respectively.
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